Cleaning unit for collecting debris in a swimming pool



FIG. 1 is a top plan view of a cleaning unit for collecting debris in a swimming pool showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top perspective view thereof; and,

FIG. 5 is a bottom perspective view thereof. 

The ornamental design for a cleaning unit for collecting debris in a swimming pool, as shown. 